JSOL Corporation (JSOL) will begin offering "TASTO.navi" (Tasto Navi) on July 1st. This service supports risk assessment (preliminary risk evaluation) in the design and quality assurance departments of manufacturing companies. This service is specifically designed for the manufacturing industry and provides step-by-step guidance on "what to check" and "which aspects are easily overlooked," based on past defect information, technical documents, and the judgment criteria of experienced personnel. [Background and Social Issues] In recent years, Japanese manufacturing companies have seen their competitiveness influenced by their ability to create value during the design and development stages, amidst environmental changes such as the response to DX and GX, fluctuations in supply chains, and labor shortages. However, in practice, the burden of gathering information for judgment has increased due to past defect investigations, condition checks, consultations with experts, and review rejections, leading to situations where operations tend to stall due to "confirmation" rather than "design itself." Furthermore, while information such as defect databases and technical documents is accumulated within companies, the "inheritance of judgment" – how to interpret this information and connect it to current decisions – has not kept pace, resulting in continued reliance on experienced personnel. This "judgment structure dependent on individuals" leads to a hollowing out of judgment capabilities due to retirement or transfers, variations in judgment quality, and increased opportunities lost and risks due to delayed judgments, which manifest as management risks. [Service and Product Features] TASTO.navi is being released first for design and quality assurance departments as a decision-making navigation service specializing in the "risk assessment (preliminary risk evaluation)" domain, where a single incident can lead to significant losses. Its features include reading the background o